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December 22, 2014

Homework Help: physics

Posted by pavatharani on Wednesday, July 13, 2011 at 11:07am.

a car accelerates from rest at a constant rate 'a' for some time. after which it decelerates at a constant rate'b' and comes to rest. if the total time elapsed is t second, evaluate
1) the maximum velocity reached and
2) the total distance travelled.
the answer for this problem is
1) abt/a+b
2) abt^2/2(a+b)
pls tell me how this answer is arrived at

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